Patents by Inventor Richard F. Poss

Richard F. Poss has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparative process for alkaline earth metal, aluminum-containing spinels
    Patent number: 4522937
    Abstract: An improved process for the production of alkaline earth, aluminum-containing spinel compositions, preferably magnesium, aluminum-containing spinel compositions and at least one additional metal component, comprises combining alkaline earth metal, aluminum and additional metal components at selected pH conditions to form a precipitate and calcining the precipitate to form a spinel composition. The product spinel composition, is particularly suited for use to reduce the amount of sulfur oxides emitted from a catalyst regeneration zone, e.g., a catalytic cracking unit regeneration zone.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: June 11, 1985
    Assignee: Atlantic Richfield Company
    Inventors: Jin S. Yoo, John A. Karch, Richard F. Poss, Emmett H. Burk, Jr.